A backend engineer must know how to store and retrieve data effectively.

Hussein Nasser's "Fundamentals of Backend Engineering" on Udemy is a highly-rated, 19.5-hour course focusing on foundational backend architecture, communication protocols (HTTP/2, gRPC), and infrastructure performance. Designed for intermediate developers, it covers core concepts like OS kernel interaction and proxying rather than specific frameworks. For more details, visit Udemy . Fundamentals of Backend Engineering Course Review

This intermediate-to-advanced curriculum focuses on the underlying systems that power modern backends: